The term **"fed"** can have several meanings depending on the context:

1. **Past tense of "feed"** – meaning to have given food to a person, animal, or group.
*Example:* She **fed** the dog this morning.

2. **Informal noun (mainly U.S. usage)** – a short form of “federal agent,” meaning someone who works for a federal law enforcement agency.
*Example:* The **feds** investigated the case.

3. **In economic or financial contexts** – a common abbreviation for the Federal Reserve (the central banking system of the United States).
*Example:* The **Fed** raised interest rates.